Merge pull request #2 from cyberphone/dev

Dev

broken.js

@@ -0,0 +1,72 @@
+// Sample showing how a naive use of JCS will fail
+'use strict';
+var canonicalize = function(object) {
+
+    var buffer = '';
+    serialize(object);
+    return buffer;
+
+    function serialize(object) {
+        if (object === null || typeof object !== 'object' ||
+            object.toJSON != null) {
+            /////////////////////////////////////////////////
+            // Primitive type or toJSON - Use ES6/JSON     //
+            /////////////////////////////////////////////////
+            buffer += JSON.stringify(object);
+
+        } else if (Array.isArray(object)) {
+            /////////////////////////////////////////////////
+            // Array - Maintain element order              //
+            /////////////////////////////////////////////////
+            buffer += '[';
+            let next = false;
+            object.forEach((element) => {
+                if (next) {
+                    buffer += ',';
+                }
+                next = true;
+                /////////////////////////////////////////
+                // Array element - Recursive expansion //
+                /////////////////////////////////////////
+                serialize(element);
+            });
+            buffer += ']';
+
+        } else {
+            /////////////////////////////////////////////////
+            // Object - Sort properties before serializing //
+            /////////////////////////////////////////////////
+            buffer += '{';
+            let next = false;
+            Object.keys(object).sort().forEach((property) => {
+                if (next) {
+                    buffer += ',';
+                }
+                next = true;
+                ///////////////////////////////////////////////
+                // Property names are strings - Use ES6/JSON //
+                ///////////////////////////////////////////////
+                buffer += JSON.stringify(property);
+                buffer += ':';
+                //////////////////////////////////////////
+                // Property value - Recursive expansion //
+                //////////////////////////////////////////
+                serialize(object[property]);
+            });
+            buffer += '}';
+        }
+    }
+};
+
+const jstring =
+  '{"time": "2019-01-28T07:45:10Z", "big": "055", "val": 3.5}';
+
+BigInt.prototype.toJSON = function () {
+  return this.toString();
+};
+
+var object = JSON.parse(jstring,
+  (k,v) => k == 'time' ? new Date(v) : k == 'big' ? BigInt(v) : v
+);
+
+console.log(canonicalize(object));